GBF Report - Polystyrene Foam

Cover Page 1
Contents 2
Abbreviations 3
Executive Summary 4
1. Introduction 5
1.1. Background 5
1.2. Objectives 5
1.3. Scope 5
2. Polystyrene (PS) production and use 6
2.1. PS production 6
2.2. Ps foam types 7
2.3. Chemical ingredients and additives 9
2.4. Absorbed chemicals from the surrounding environment 10
3. PS foam from docks and floats - environmental concerns 11
3.1. Fragmentation and degradation 12
3.2. Navigation and aesthetics 14
3.3. PS foam low recycling rates 14
3.4. Distribution of PS foam litter in the Great Lakes and St. Lawrence River 14
3.5. Ingestion by fish and wildlife 19
3.6. Exposure to chemicals 20
3.7. Effects 21
4. Discussion and Conclusions 24
4.1. Uncertainties and data gaps 24
4.2. Conclusions 24
4.3. Next steps 25
4.4. Thank you to funders and supporters 25
5. References 26
6. Annexes 33
6.1. White Foam 33
6.2. Blue Foam 34
6.3. Styrene 35

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